avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.600      0.000   1468.340   4502.740      0.000  14025.200 
avg	     0.018      0.000      7.342     22.514      0.000     70.126 
stddev	     0.029      0.000      1.847      6.476      0.000      6.492 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000   6706.240      3.000  16308.790     12.000 5577301.460 126368.300  24045.000 271316.440   2723.240  18042.190 
avg	     0.000     33.531      0.015     81.544      0.060  27886.507    631.841    120.225   1356.582     13.616     90.211 
stddev	     0.000     61.874      0.212     29.045      0.846  10380.873    193.174     50.701    549.234     27.767     26.748